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3-D numerical study of a bottom ramp fish passage using smoothed particle hydrodynamics

Identificadores del recurso

Water, 13(11): 1595 (2021)

20734441

http://hdl.handle.net/11093/2984

10.3390/w13111595

https://www.mdpi.com/2073-4441/13/11/1595

Procedência

(Investigo)

Ficha

Título:: 3-D numerical study of a bottom ramp fish passage using smoothed particle hydrodynamics
Tema:: 2508 Hidrología; 3301.12 Hidrodinámica; 3105.04 Protección de Los Peces
Descrição:: Worldwide, the overwhelming number of man-made barriers in fluvial systems has been identified as one of the major causes of the reported staggering average declines of migratory fish. Fish passages have been shown to help mitigate such problems. Close-to-nature types of fish passages, such as bottom ramps, bypass channels, and fish ramps can be used to minimize the impact of artificial steep drops (e.g., weirs) on the migration of aquatic fauna, especially in cases of low-head barriers. This study focuses on the characterization of the flow pattern in a bottom ramp. A 3-D numerical model based on the meshless smoothed particle hydrodynamics (SPH) method was successfully validated and then employed for the simulation of turbulent free-surface flow in a straight channel with complex geometry. The effects of bed roughness, channel slope, and flow rate were quantified in terms of flow depth, velocity fields, and area‒velocity ratios. During the study, several new tools were developed, leading to new functionalities in pre-processing, solver, and post-processing which increase the applicability of DualSPHysics in the field of eco-hydraulics.; Javna Agencija za Raziskovalno Dejavnost RS | Ref. P2-0180; Ministerio de Economía y Competitividad | Ref. ENE2016-75074-C2-1-R; Xunta de Galicia | Ref. ED431C 2017/64; Ministerio de Ciencia, Innovación y Universidades | Ref. IJCI-2017-32592
Idioma:: English
Relação:: info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/IJCI-2017-32592/ES; info:eu-repo/grantAgreement/MINECO//ENE2016-75074-C2-1-R/ES
Autor/Produtor:: Novak, Gorazd; Domínguez Alonso, José Manuel; Tafuni, Angelo; Silva, Ana T.; Pengal, Polona; Četina, Matjaž; Žagar, Dušan
Editor:: Water; Física aplicada; EphysLab
Direitos:: openAccess
Data:: 2022-01-17T12:47:09Z; 2021-06-05; 2022-01-17T10:57:02Z
Tipo de recurso:: article

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3. < dc:creator > Domínguez Alonso, José Manuel </ dc:creator >
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11. < dc:subject > 3105.04 Protección de Los Peces </ dc:subject >
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